nitrogen management and ground water protection developments in agricultural and managed forest ecology

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Nitrogen Management And Ground Water Protection

Author : Ronald F Follett
ISBN : 9780444599391
Genre : Technology & Engineering
File Size : 47. 85 MB
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Supplying crops with adequate nitrogen is vital to ensuring food supplies. Once nitrogen is added to the soil, it is subject to chemical transformations of the nitrogen-cycle including transformation to nitrate. Excessive amounts of accumulated nitrate may then leach out of the soil and could potentially enter and contaminate drinking water supplies. The purpose of this book is to examine the subject of nitrogen management and ground water protection. The issue of maintaining ground water quality is addressed primarily from an agronomic point of view. Topics covered include: health and economic aspects of nitrate in drinking water; nitrate sources; ground water nitrate in the USA and other developed countries; transport, leaching and accounting for nitrogen; soil, nitrogen, crop and water management; and nitrate in aquifer systems. The book contains a keyword index and is organized into thirteen chapters, each with appropriate references, tables and figures. Chapter authors are among the leading experts on the subject of nitrate and ground water quality. Readers to whom the book is directed include soil scientists and agronomists, agricultural engineers (irrigation and drainage), environmental scientists, agricultural policy makers, and hydrologists.

Nitrogen Management And Ground Water Protection

Author : Ronald F Follett
ISBN : 9780444599391
Genre : Technology & Engineering
File Size : 71. 85 MB
Format : PDF, ePub, Mobi
Download : 167
Read : 911

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Supplying crops with adequate nitrogen is vital to ensuring food supplies. Once nitrogen is added to the soil, it is subject to chemical transformations of the nitrogen-cycle including transformation to nitrate. Excessive amounts of accumulated nitrate may then leach out of the soil and could potentially enter and contaminate drinking water supplies. The purpose of this book is to examine the subject of nitrogen management and ground water protection. The issue of maintaining ground water quality is addressed primarily from an agronomic point of view. Topics covered include: health and economic aspects of nitrate in drinking water; nitrate sources; ground water nitrate in the USA and other developed countries; transport, leaching and accounting for nitrogen; soil, nitrogen, crop and water management; and nitrate in aquifer systems. The book contains a keyword index and is organized into thirteen chapters, each with appropriate references, tables and figures. Chapter authors are among the leading experts on the subject of nitrate and ground water quality. Readers to whom the book is directed include soil scientists and agronomists, agricultural engineers (irrigation and drainage), environmental scientists, agricultural policy makers, and hydrologists.

Soil And Water Quality

Author : Committee on Long-Range Soil and Water Conservation Policy
ISBN : 9780309049337
Genre : Technology & Engineering
File Size : 89. 28 MB
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How can the United States meet demands for agricultural production while solving the broader range of environmental problems attributed to farming practices? National policymakers who try to answer this question confront difficult trade-offs. This book offers four specific strategies that can serve as the basis for a national policy to protect soil and water quality while maintaining U.S. agricultural productivity and competitiveness. Timely and comprehensive, the volume has important implications for the Clean Air Act and the 1995 farm bill. Advocating a systems approach, the committee recommends specific farm practices and new approaches to prevention of soil degradation and water pollution for environmental agencies. The volume details methods of evaluating soil management systems and offers a wealth of information on improved management of nitrogen, phosphorus, manure, pesticides, sediments, salt, and trace elements. Landscape analysis of nonpoint source pollution is also detailed. Drawing together research findings, survey results, and case examples, the volume will be of interest to federal, state, and local policymakers; state and local environmental and agricultural officials and other environmental and agricultural specialists; scientists involved in soil and water issues; researchers; and agricultural producers.

Optimizing Nitrogen Management In Food And Energy Production And Environmental Protection

Author : J. Galloway
ISBN : 9026519273
Genre : Science
File Size : 62. 8 MB
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The production of food and energy interfere with the natural nitrogen cycle of the earth. Many of these changes are beneficial, while others are detrimental to societies and the environment. The changing nature of nitrogen in the global environment crosses scientific disciplines, geographical boundaries and political divisions and challenges the creative minds of natural and social scientists, economists, engineers, business leaders and planners. The papers in this book give readers a panoramic view of the changing nature of reactive nitrogen in the global environment, enabling them to make better choices about nitrogen management in food production and consumption, energy production and use, and environmental protection.

Sustainable Agriculture Systems

Author : J. L. Hatfield
ISBN : 1566700493
Genre : Technology & Engineering
File Size : 34. 59 MB
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Sustainable agriculture embodies many concepts in its attempt to integrate all the aspects of farming systems into a holistic system. This book explores the processes that occur within the components of a sustainable system and shows where we can build upon our existing knowledge to develop the concepts of sustainable agriculture into the new conventional agriculture. Well-known researchers examine a variety of aspects, including production goals, environmental considerations, and economics, to build a knowledge base that allows readers to see where changes in agriculture must be made and how challenges can be met. They compare existing systems against definitions of sustainability and pinpoint those areas where improvements can be made in current systems to further the concepts of sustainability.

Selected Water Resources Abstracts

Author :
ISBN : PSU:000068689100
Genre : Water
File Size : 58. 41 MB
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Nitrate Concentrations And Migration In Groundwater Beneath The Maraekakaho Sheep Feedlot Hawkes Bay

Author : M. R. Rosen
ISBN : STANFORD:36105017745642
Genre :
File Size : 61. 99 MB
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Limitations To Plant Root Growth

Author : Jerry L. Hatfield
ISBN : WISC:89037919883
Genre : Crops and soils
File Size : 28. 99 MB
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Bulgarian Journal Of Agricultural Science

Author :
ISBN : CORNELL:31924094820523
Genre : Agriculture
File Size : 51. 5 MB
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Hydrogeology Ground Water Quality And Sources Of Nitrate In Lowland Glacial Aquifers Of Whatcom County Washington And British Columbia Canada

Author : Stephen E. Cox
ISBN : UCR:31210024874818
Genre : Groundwater
File Size : 79. 75 MB
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